Home / 5,121.26-7,679.46-2,347.10

Finding the Fourth Proportional to 5,121.26, 7,679.46 and 2,347.10

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Solution

The fourth proportional to 5,121.26, 7,679.46 and 2,347.10 is: 3,519.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.26 : 7,679.46 = 2,347.10 : x
  2. Step 2: Convert to fraction form
    5,121.26/7,679.46 = 2,347.10/x
  3. Step 3: Cross multiply
    5,121.26x = 7,679.46 × 2,347.10
  4. Step 4: Simplify right side
    5,121.26x = 18,024,460.57
  5. Step 5: Solve for x
    x = 18,024,460.57/5,121.26
  6. Step 6: Final answer
    x = 3,519.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.